package lianxi.xl1;

public class Circle {
    private double radius;
    public Circle() {
        radius = 1;
    }
    public void setRadius(double radius) {

        this.radius = radius;
    }
    public double getRadius() {
        return radius;
    }
    public double findArea() {
        return radius * radius * 3.14;
    }

}
